Mixed Model Output Data Set Name Use this optional feature to specify a name for the output data set containing the mixed model results. The name can be a maximum of 28 characters. If necessary, the name is trimmed. By default, the output data set is given the same name as the input data set with _mmr appended as a suffix. For detailed information about the files and data sets used or created by JMP Life Sciences software, see Files and Data Sets. To Specify a Name for the Mixed Model Output Data Set: Left-click in the field and type a name for the output data set. If you change your mind and would like to reset the field, click Clear.